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Simultaneously enhanced linear and nonlinear photon generations from WS2 by using dielectric circular Bragg resonators
Nanophotonics ( IF 7.5 ) Pub Date : 2020-07-06 , DOI: 10.1515/nanoph-2020-0143
Bo Chen 1 , Zhe He 1 , Zhuo-Jun Liu 1 , Yun-Kun Wang 2, 3 , Yu-Nan Gao 2, 3 , Igor Aharonovich 4, 5 , Zai-Quan Xu 4 , Jin Liu 1
Affiliation  

Abstract Monolayer transition metal dichalcogenides (TMDs) have emerged as a promising platform for chip-integrated optoelectronics and non-linear optics. Here, we demonstrate a two-dimensional (2D) monolayer tungsten disulfide (WS2) efficiently coupled to a dielectric circular Bragg resonator (CBR). The coupling of the WS2 and CBR leads to pronounced enhancements in both photoluminescence (PL) and second harmonic generation (SHG) by a factor of 34 and 5, respectively. Our work provides a powerful tool to enhance the interactions between light and the 2D materials, paving the way for efficient on-chip optoelectronic devices.

中文翻译:

通过使用介电圆形布拉格谐振器同时增强来自 WS2 的线性和非线性光子生成

摘要 单层过渡金属二硫属化物 (TMD) 已成为芯片集成光电子学和非线性光学的有前途的平台。在这里,我们展示了二维 (2D) 单层二硫化钨 (WS2) 有效耦合到介电圆形布拉格谐振器 (CBR)。WS2 和 CBR 的耦合导致光致发光 (PL) 和二次谐波产生 (SHG) 的显着增强,分别为 34 和 5 倍。我们的工作为增强光与二维材料之间的相互作用提供了强大的工具,为高效的片上光电器件铺平了道路。
更新日期:2020-07-06
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